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sif_enote.cpp
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#include <QtSql>
#include <QMessageBox>
#include "kodiranje.h"
#include "sif_enote.h"
#include "ui_sif_enote.h"
sif_enote::sif_enote(QWidget *parent) :
QDialog(parent),
ui(new Ui::sif_enote)
{
ui->setupUi(this);
osvezi_tabelo();
}
sif_enote::~sif_enote()
{
delete ui;
}
void sif_enote::on_btn_vnesi_clicked() {
// preverimo polja
bool napaka = false;
if ( ui->txt_ime->text() == "" ) {
napaka = true;
QMessageBox box_napaka;
box_napaka.setText("Napaka pri vnosu");
box_napaka.setInformativeText("Prosim, Vnesite pravilno ime!");
box_napaka.exec();
}
if ( ui->txt_enota->text() == "" ) {
napaka = true;
QMessageBox box_napaka;
box_napaka.setText("Napaka pri vnosu");
box_napaka.setInformativeText("Prosim, vnesite ustrezno enoto!");
box_napaka.exec();
}
QSqlQuery sql_check;
sql_check.prepare("SELECT * FROM sif_enote WHERE enota LIKE '" + pretvori(ui->txt_enota->text()) + "'");
sql_check.exec();
while ( sql_check.next() ) {
if ( prevedi(sql_check.value(sql_check.record().indexOf("id")).toString()) != ui->txt_id->text() ) {
napaka = true;
QMessageBox box_napaka;
box_napaka.setText("Napaka pri vnosu");
box_napaka.setInformativeText("Ta enota ze obstaja! Prosim, vnesite novo, edinstveno enoto ali popravite staro!");
box_napaka.exec();
}
}
if ( napaka == false ) {
// glede na stanje gumba za shranjevanje dolocimo vrednost SQL stavka
QString stavek = "";
if ( ui->btn_vnesi->text() == "Vnesi" ) {
stavek = "INSERT INTO sif_enote (ime, enota, aktivnost) VALUES (?, ?, ?)";
}
else if ( ui->btn_vnesi->text() == "Popravi" ) {
stavek = "UPDATE sif_enote SET ime = ?, enota = ?, aktivnost = ? WHERE id LIKE '" + pretvori(ui->txt_id->text()) + "'";
}
// nastavimo vrednost aktivnosti
QString aktivnost = "0"; // neaktivna
if ( ui->cb_aktivnost->isChecked() ) {
aktivnost = "1"; // aktivna
}
QSqlQuery sql_shrani;
sql_shrani.prepare(stavek);
sql_shrani.bindValue(0, pretvori(ui->txt_ime->text()));
sql_shrani.bindValue(1, pretvori(ui->txt_enota->text()));
sql_shrani.bindValue(2, pretvori(aktivnost));
sql_shrani.exec();
}
osvezi_tabelo();
}
void sif_enote::on_btn_izbrisi_clicked() {
ui->txt_id->setText("");
ui->txt_ime->setText("");
ui->txt_enota->setText("");
ui->cb_aktivnost->setChecked(false);
ui->btn_vnesi->setText("Vnesi");
}
void sif_enote::on_btn_izhod_clicked() {
close();
}
void sif_enote::on_rb_vsi_toggled() {
osvezi_tabelo();
}
void sif_enote::on_rb_aktivni_toggled() {
osvezi_tabelo();
}
void sif_enote::on_tbl_enote_itemSelectionChanged() {
napolni_polja();
}
void sif_enote::napolni_polja() {
if ( ui->btn_vnesi->text() != "Polnim" ) {
QSqlQuery sql_fill;
sql_fill.prepare("SELECT * FROM sif_enote WHERE id LIKE '" + pretvori(ui->tbl_enote->selectedItems().takeAt(0)->text()) + "'");
sql_fill.exec();
if ( sql_fill.next() ) {
ui->txt_id->setText(prevedi(sql_fill.value(sql_fill.record().indexOf("id")).toString()));
ui->txt_ime->setText(prevedi(sql_fill.value(sql_fill.record().indexOf("ime")).toString()));
ui->txt_enota->setText(prevedi(sql_fill.value(sql_fill.record().indexOf("enota")).toString()));
if ( prevedi(sql_fill.value(sql_fill.record().indexOf("aktivnost")).toString()) == "1" ) { // enota je aktivna
ui->cb_aktivnost->setChecked(true);
}
else { // enota ni aktivna, aktivnost je 0
ui->cb_aktivnost->setChecked(false);
}
}
// spremenimo besedilo v gumbu za shranjevanje podatkov v ustrezno obliko - popravi za ze vnesene podatke in vnesi za na novo ustvarjene podatke
if ( ui->txt_id->text() != "" ) {
ui->btn_vnesi->setText("Popravi");
}
else {
ui->btn_vnesi->setText("Vnesi");
}
}
}
void sif_enote::osvezi_tabelo() {
on_btn_izbrisi_clicked(); // zbrisemo vsa vnosna polja, da nas ne ovirajo pri polnenju tabele
QString gumb = ui->btn_vnesi->text();
ui->btn_vnesi->setText("Polnim");
// podamo filter glede na aktivnost
QString stavek = "";
if ( ui->rb_aktivni->isChecked() ) {
stavek = " WHERE aktivnost LIKE '1'";
}
// clear previous content
ui->tbl_enote->clear();
for (int i = 0; i <= 3; i++) {
ui->tbl_enote->removeColumn(0);
}
QSqlQuery sql_clear;
sql_clear.prepare("SELECT * FROM sif_enote");
sql_clear.exec();
while (sql_clear.next()) {
ui->tbl_enote->removeRow(0);
}
// start filling the table
ui->tbl_enote->insertColumn(0);
ui->tbl_enote->insertColumn(1);
ui->tbl_enote->insertColumn(2);
ui->tbl_enote->insertColumn(3);
QTableWidgetItem *naslov0 = new QTableWidgetItem;
QTableWidgetItem *naslov1 = new QTableWidgetItem;
QTableWidgetItem *naslov2 = new QTableWidgetItem;
QTableWidgetItem *naslov3 = new QTableWidgetItem;
naslov0->setText("ID");
naslov1->setText("Ime enote");
naslov2->setText("Enota");
naslov3->setText("Aktivnost");
ui->tbl_enote->setHorizontalHeaderItem(0, naslov0);
ui->tbl_enote->setHorizontalHeaderItem(1, naslov1);
ui->tbl_enote->setHorizontalHeaderItem(2, naslov2);
ui->tbl_enote->setHorizontalHeaderItem(3, naslov3);
ui->tbl_enote->setColumnWidth(0, 35);
QSqlQuery sql_fill;
sql_fill.prepare("SELECT * FROM sif_enote" + stavek);
sql_fill.exec();
int row = 0;
while (sql_fill.next()) {
ui->tbl_enote->insertRow(row);
ui->tbl_enote->setRowHeight(row, 20);
int col = 0;
int i = 0;
QString polja[4] = {"id", "ime", "enota", "aktivnost"};
while (col <= 3) {
QTableWidgetItem *celica = new QTableWidgetItem;
if ( polja[i] == "id" ) {
celica->setData(Qt::DisplayRole, prevedi(sql_fill.value(sql_fill.record().indexOf(polja[i])).toString()).toInt());
}
else if ( polja[i] == "aktivnost" ) {
if ( prevedi(sql_fill.value(sql_fill.record().indexOf("aktivnost")).toString()) == "1" ) { // je aktivna
celica->setText("Aktivna");
}
else { // vrednost je 0
celica->setText("Neaktivna");
}
}
else {
celica->setText(prevedi(sql_fill.value(sql_fill.record().indexOf(polja[i])).toString()));
}
ui->tbl_enote->setItem(row, col, celica);
col++;
i++;
}
row++;
}
ui->btn_vnesi->setText(gumb);
}
QString sif_enote::pretvori(QString besedilo) {
return kodiranje().zakodiraj(besedilo);
}
QString sif_enote::prevedi(QString besedilo) {
return kodiranje().odkodiraj(besedilo);
}